/* ============================================================
   PERFECT CHOICE — Layout
   Header, Footer, Navigation, Grids
   ============================================================ */

/* ── Header ──────────────────────────────────────────── */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-header);
  transition: all var(--transition-smooth);
  padding: var(--space-3) 0;
  background-color: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
}

.header--transparent {
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.6) 0%, rgba(0, 0, 0, 0.3) 60%, transparent 100%);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  box-shadow: none;
  padding: var(--space-5) 0;
}

.header--scrolled {
  background-color: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
  padding: var(--space-3) 0;
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}

/* Logo */
.header__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  position: relative;
  z-index: 10;
}

.header__logo img {
  height: 80px;
  width: auto;
  transition: height var(--transition-smooth);
}

.header--transparent .header__logo img {
  height: 100px;
}

.header--scrolled .header__logo img {
  height: 75px;
}

/* Desktop Nav */
.header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.header__nav-link {
  padding: 0.5rem 0.9rem;
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.header--transparent .header__nav-link {
  color: var(--color-white);
}

.header--scrolled .header__nav-link {
  color: var(--color-text-primary);
}

.header__nav-link:hover,
.header__nav-link--active {
  color: var(--color-yellow);
  background-color: var(--color-yellow-10);
}

.header--transparent .header__nav-link:hover,
.header--transparent .header__nav-link--active {
  color: var(--color-yellow);
  background-color: rgba(245, 184, 0, 0.15);
}

/* Header CTA */
.header__cta {
  flex-shrink: 0;
}

.header--transparent .header__cta .btn--primary {
  background-color: var(--color-yellow);
  color: var(--color-black);
}

/* Hamburger */
.header__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  cursor: pointer;
  position: relative;
  z-index: 10;
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast);
}

.header__hamburger:hover {
  background-color: var(--color-yellow-10);
}

.header__hamburger-line {
  width: 22px;
  height: 2px;
  background-color: var(--color-text-primary);
  transition: all var(--transition-smooth);
  position: absolute;
}

.header--transparent .header__hamburger-line {
  background-color: var(--color-white);
}

.header--scrolled .header__hamburger-line {
  background-color: var(--color-text-primary);
}

.header__hamburger-line:nth-child(1) {
  transform: translateY(-7px);
}

.header__hamburger-line:nth-child(3) {
  transform: translateY(7px);
}

/* Hamburger active state */
.header__hamburger.active .header__hamburger-line:nth-child(1) {
  transform: rotate(45deg);
  background-color: var(--color-text-primary);
}

.header__hamburger.active .header__hamburger-line:nth-child(2) {
  opacity: 0;
}

.header__hamburger.active .header__hamburger-line:nth-child(3) {
  transform: rotate(-45deg);
  background-color: var(--color-text-primary);
}

/* ── Mobile Nav Overlay ──────────────────────────────── */
.mobile-nav {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  max-width: 380px;
  height: 100vh;
  height: 100dvh;
  background-color: var(--color-white);
  z-index: var(--z-overlay);
  transition: right var(--transition-smooth);
  padding: calc(var(--space-24) + var(--space-4)) var(--space-6) var(--space-6);
  overflow-y: auto;
  box-shadow: -8px 0 32px rgba(0, 0, 0, 0.15);
}

.mobile-nav.active {
  right: 0;
}

.mobile-nav__overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: calc(var(--z-overlay) - 1);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-smooth);
}

.mobile-nav__overlay.active {
  opacity: 1;
  visibility: visible;
}

.mobile-nav__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  margin-bottom: var(--space-8);
}

.mobile-nav__link {
  padding: var(--space-4);
  font-size: var(--text-md);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  display: block;
}

.mobile-nav__link:hover,
.mobile-nav__link--active {
  background-color: var(--color-yellow-10);
  color: var(--color-yellow);
}

.mobile-nav__cta {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

/* ── Footer ──────────────────────────────────────────── */
.footer {
  background-color: var(--color-black);
  color: var(--color-white);
  padding-top: var(--space-16);
  padding-bottom: var(--space-8);
}

.footer__top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}

.footer__brand {
  display: flex;
  flex-direction: column;
}

.footer__logo {
  height: 50px;
  width: auto;
  align-self: flex-start;
  margin-bottom: var(--space-4);
}

.footer__brand-text {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.6);
  line-height: var(--line-height-relaxed);
  max-width: 280px;
}

.footer__column-title {
  font-size: var(--text-sm);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-caps);
  color: var(--color-white);
  margin-bottom: var(--space-5);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__link {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.6);
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--color-yellow);
}

.footer__contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: var(--space-3);
}

.footer__contact-item svg {
  width: 16px;
  height: 16px;
  color: var(--color-yellow);
  flex-shrink: 0;
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.footer__bottom-info {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.footer__copyright,
.footer__developer {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.4);
}

.footer__divider {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.3);
}

.footer__developer-link {
  color: rgba(255, 255, 255, 0.6);
  font-weight: 500;
  transition: color var(--transition-fast);
}

.footer__developer-link:hover {
  color: var(--color-yellow);
  text-decoration: underline;
}

.footer__legal {
  display: flex;
  gap: var(--space-6);
}

.footer__legal a {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.4);
  transition: color var(--transition-fast);
}

.footer__legal a:hover {
  color: var(--color-yellow);
}

/* ── Grid Utilities ──────────────────────────────────── */
.grid {
  display: grid;
  gap: var(--space-6);
}

.grid--2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid--3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid--4 {
  grid-template-columns: repeat(4, 1fr);
}

.grid--5 {
  grid-template-columns: repeat(5, 1fr);
}

.grid--6 {
  grid-template-columns: repeat(3, 1fr);
}

/* ── Split Layout ────────────────────────────────────── */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}

.split--reverse {
  direction: rtl;
}

.split--reverse > * {
  direction: ltr;
}

/* ── Page Hero (Sub-pages) ───────────────────────────── */
.page-hero {
  background-color: var(--color-black);
  color: var(--color-white);
  padding: calc(var(--space-32) + var(--space-8)) 0 var(--space-16);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: -200px;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--color-yellow-glow) 0%, transparent 70%);
  pointer-events: none;
}

.page-hero__title {
  font-size: var(--text-5xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-white);
  margin-bottom: var(--space-4);
}

.page-hero__subtitle {
  font-size: var(--text-lg);
  color: rgba(255, 255, 255, 0.7);
  max-width: 600px;
  margin: 0 auto;
}